10021220530001 has 4 divisors (see below), whose sum is σ = 10141958126832. Its totient is φ = 9900482933172.

The previous prime is 10021220529989. The next prime is 10021220530003. The reversal of 10021220530001 is 10003502212001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10021220530001 - 2¹⁸ = 10021220267857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021220530003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60368798291 + ... + 60368798456.

It is an arithmetic number, because the mean of its divisors is an integer number (2535489531708).

Almost surely, 2^{10021220530001} is an apocalyptic number.

It is an amenable number.

10021220530001 is a deficient number, since it is larger than the sum of its proper divisors (120737596831).

10021220530001 is an equidigital number, since it uses as much as digits as its factorization.

10021220530001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120737596830.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 10021220530001 its reverse (10003502212001), we get a palindrome (20024722742002).

The spelling of 10021220530001 in words is "ten trillion, twenty-one billion, two hundred twenty million, five hundred thirty thousand, one".